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Novosadov [1.4K]
2 years ago
11

First ight answer gets brain

Mathematics
1 answer:
aleksandrvk [35]2 years ago
6 0
-46 - 4 = -50
answer is D. -50
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How many feet is 20% of 4 miles
Nataliya [291]
1 mile=5280 feet
4 miles=21120 feet

21120×20÷100=4224. As a result, 20% of 4 miles is 4224 feet. Hope it help!
3 0
3 years ago
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Let a be a rational number and b be an irrational number. Is a + b rational or irrational?
Svetlanka [38]

Answer:

irrational

Step-by-step explanation:

because an irrational number goes on forever so no matter what number is added to it it will always be irrational.

4 0
3 years ago
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You have $5,000 to invest for ten years. The Bank pays simple interest at an annual rate of 5%. Calculate your balance after 10
Mazyrski [523]

Answer: $7,500

Step-by-step explanation:

Use the formula: SI = P(1 + rt)

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SI = 5000 + 2500

SI = $7,500

After 10 years, your balance should be $7,500

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2 years ago
Write a differential equation that fits the physical description. The acceleration due to air resistance acceleration due to air
Vitek1552 [10]

Answer:

d/dt(dx/dt)=K(dx/dt)^2

Step-by-step explanation:

Since, a is proportional to v^2; and a=d/dt(dx/dt) and v= dx/dt since they are instantanious acceleration and velocity respectively.

K=(d^x/dt^2)(dt/dx)^2

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2 years ago
What does the number 3.1968e+22 mean?
sattari [20]
You add them and then it would be 30.6898033492
8 0
3 years ago
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